noun
loop knot; rabbit-ear knot
A knot that forms a loop, often used in crafts, packaging, or tying things together. The name comes from the resemblance to rabbit ears.
プレゼントのリボンを兎結びで結んだ。
I tied the ribbon on the present with a loop knot.
この紐は兎結びにするとほどきやすい。
If you tie this string in a loop knot, it's easy to undo.
蝶結び is a bow knot with two loops and two ends, while 兎結び typically refers to a single loop knot.
輪結び is a more generic term for any loop knot; 兎結び is a specific type often associated with the rabbit-ear shape.
Compound of 兎 (usagi, 'rabbit') and 結び (musubi, 'knot'), referring to the knot's resemblance to rabbit ears.